package com.kaifamiao.www.demo.do0801.pm;

//实现类，接口可以多实现
public class USBDisk implements USBInterface,Disk{
    public static void test(){
        System.out.println(DEFAULT_NAME);
    }
    @Override
    public void print(){
        System.out.println("USBDisk");
    }

    @Override
    public void service(){
        System.out.println("usb disk");
    }
}
interface Disk{}